Water Seal SF provides long lasting effective protection of substrates such as brick, stone, concrete and rendering. This solvent free Water Seal provides water repellency with non‐staining and stain blocking features.
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Alpha Chem Water Seal SF is suitable for water repellence with non‐staining and stain blocking features.
– All surfaces must be dry and sound and free from any oil, grease, treatment debris and algae.
– Shake well before use, ready to use product, no need to dilute.
– New concrete must be left 4 ‐ 6 weeks before treatment.
– Do not apply if rain is likely within 3‐4 hours of application.
– Can be applied by brush, roller or airless sprayer.
– Apply to a small test area before full scale application, if in doubt, and leave for 24 hours.
– Apply one or two coats dependent on the desired effect.
– Allow 2‐3 hours between coats.
– Clean equipment with special thinners after use.
– As the manufacturer cannot know all the uses its products may be put to, it is the user’s responsibility to determine suitability of use.
– Read the label before use for health and safety information, Safety Data Sheet available on request.
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We have purchased our Mapei Grout and Mapei AC silicone from Sealant Supplies for the past 5 months, they have been... quick to dispatch and always seem to have the colours we require in stock. Will keep using them.read more